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Author Question: Central control of vasomotor tone has its greatest impact on which of the following vessels? 1. ... (Read 45 times)

lunatika

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on: Jul 16, 2018
Central control of vasomotor tone has its greatest impact on which of the following vessels? 1. Arterioles (resistance vessels) 2. Veins (capacitance vessels) 3. Microcirculation (exchange vessels)
 
  a. 2 and 3 only
  b. 1 and 2 only
  c. 3 only
  d. 1, 2, and 3

Question 2

Central, or extrinsic, control of the cardiovascular system occurs through the action of which of the following? 1. Autonomic nervous system 2. Circulating humoral agents 3. Local metabolites
 
  a. 1, 2, and 3
  b. 2 and 3 only
  c. 3 only
  d. 1 and 2 only


CharlieArnold

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: B
Central control mainly affects the high-resistance arterioles and capacitance veins.

Answer to Question 2

ANS: D
Central, or extrinsic, control involves both the central nervous system and circulating humoral agents.


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lunatika

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Reply #2 on: Jul 16, 2018
Correct answers!


CharlieArnold

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Reply #3 on: Jul 16, 2018
Great! Please up vote :D


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